:root{--theme:#0B3D91;--blue:#145dcc;--ink:#081426;--muted:#64748b;--line:#dce5f0;--soft:#f4f7fb;--green:#b8f500}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:#f7faff;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.6}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .topbar{background:#071326;color:#b8c7dc;font-size:13px}
    .topbar-inner{height:36px;display:flex;justify-content:space-between;align-items:center}
    .topbar-contact{display:flex;gap:22px}.topbar a:hover{color:#fff}
    .header{height:78px;background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:20}
    .header-inner{height:78px;display:flex;align-items:center;gap:34px}
    .logo,.footer-logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--theme);white-space:nowrap}
    .logo img{width:34px;height:34px;object-fit:contain}.logo span{font-size:19px}
    .main-nav{flex:1}.nav-list{display:flex;align-items:center;justify-content:center;gap:5px;list-style:none;margin:0;padding:0}
    .nav-item{position:relative}.nav-link{display:block;padding:27px 14px;font-size:15px;font-weight:600}
    .nav-link:hover,.nav-link:focus{color:var(--blue)}
    .has-arrow:after{content:"";display:inline-block;width:6px;height:6px;margin:0 0 3px 8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg)}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);opacity:0;visibility:hidden;pointer-events:none;background:#fff;border:1px solid var(--line);box-shadow:0 18px 50px #0b23401c;border-radius:0 0 14px 14px;padding:20px;transition:.2s;z-index:30}
    .nav-item:hover .dropdown-panel,.nav-item:focus-within .dropdown-panel,.nav-item:hover .mega-menu,.nav-item:focus-within .mega-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
    .dropdown-panel{width:290px}.dropdown-title,.mega-head strong{display:block;font-size:16px;margin-bottom:8px}
    .dropdown-panel>a:not(.dropdown-more){display:block;padding:9px 0;border-bottom:1px solid #edf1f6;font-size:13px}
    .dropdown-more,.mega-footer{display:block;margin-top:14px;color:var(--blue);font-size:13px;font-weight:700}
    .mega-menu{width:680px}.mega-wide{width:820px}.mega-head{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:15px}.mega-head span{font-size:12px;color:var(--muted)}
    .mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.mega-card{display:flex;gap:9px;padding:10px;border:1px solid #e8eef7;border-radius:10px}.mega-card:hover{border-color:#8cb0e9;background:#f7faff}.mega-card img{width:42px;height:42px;object-fit:contain;border-radius:7px}.mega-copy{min-width:0}.mega-copy strong,.mega-copy small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mega-copy strong{font-size:13px}.mega-copy small{font-size:11px;color:var(--muted)}.mega-categories{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.mega-categories a{padding:5px 10px;background:var(--soft);border-radius:20px;font-size:12px}
    .header-btns{display:flex;align-items:center;gap:12px}.member-entry{font-size:13px;color:var(--blue)}.account-btn{background:var(--theme);color:#fff;border-radius:7px;padding:9px 14px;font-size:13px;font-weight:700}
    .hamburger{display:none;border:0;background:none;padding:5px}.hamburger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
    .drawer-overlay{display:none;position:fixed;inset:0;background:#06132699;z-index:50}.drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;right:0;top:0;bottom:0;width:min(390px,88vw);background:#fff;z-index:60;transform:translateX(100%);transition:.25s;overflow:auto}.mobile-drawer.open{transform:translateX(0)}
    .drawer-head{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid var(--line);font-weight:700;color:var(--theme)}.drawer-head a{background:var(--theme);color:#fff;border-radius:6px;padding:5px 12px;font-size:13px}.drawer-close{border:0;background:none;font-size:28px;color:var(--muted);cursor:pointer}.drawer-menu{padding:12px 22px}.drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border-bottom:1px solid #edf1f6;text-align:left;background:none;border-top:0;border-left:0;border-right:0;color:var(--ink);font-weight:600}.drawer-toggle:after{content:"+";float:right;font-size:20px;color:var(--muted)}.drawer-toggle.active:after{content:"−"}.drawer-submenu{display:none;padding:5px 0 8px 16px}.drawer-submenu.open{display:block}.drawer-submenu a{display:block;padding:8px 0;color:var(--muted);font-size:14px}
    .tag-page{padding:58px 0 90px;min-height:620px}.tag-hero{text-align:center;margin-bottom:34px}.eyebrow{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em}.tag-hero h1{margin:8px 0 10px;font-size:clamp(30px,5vw,52px);line-height:1.15}.tag-hero p{margin:0;color:var(--muted)}.tag-count{display:inline-flex;margin-top:18px;padding:7px 14px;border-radius:30px;background:#e9f1ff;color:var(--theme);font-size:13px}
    .tag-content{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 12px 35px #0b3d910b}.tag-content-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:17px;margin-bottom:4px}.tag-content-head h2{font-size:20px;margin:0}.tag-content-head span{color:var(--muted);font-size:13px}
    .tag-article{display:grid;grid-template-columns:245px 1fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}.tag-article:last-child{border-bottom:0}.tag-article img{width:245px;height:150px;object-fit:cover;border-radius:10px;background:#eaf0f8}.tag-article h3{margin:0 0 9px;font-size:19px;line-height:1.4}.tag-article h3 a:hover{color:var(--blue)}.tag-summary{margin:0 0 12px;color:#56667d;font-size:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.tag-meta{display:flex;flex-wrap:wrap;gap:8px 17px;color:#8190a4;font-size:12px}.tag-meta strong{color:var(--blue);font-weight:600}.read-link{display:inline-block;margin-top:15px;color:var(--blue);font-size:13px;font-weight:700}.pagination{display:flex;justify-content:center;gap:8px;margin-top:28px;flex-wrap:wrap}.pagination a{min-width:34px;padding:5px 10px;text-align:center;border:1px solid var(--line);border-radius:6px;color:var(--muted);font-size:13px}.pagination a:hover,.pagination a.active{background:var(--theme);border-color:var(--theme);color:#fff}
    .footer{background:#071326;color:#aebdd1;padding:52px 0 20px}.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}.footer-logo{color:#fff}.footer-logo img{width:34px;height:34px;object-fit:contain}.footer-brand p{max-width:320px;color:#8fa0b6;font-size:13px}.footer h3{color:#fff;font-size:15px;margin:0 0 16px}.footer-links{display:grid;gap:9px;font-size:13px}.footer-links a:hover,.footer-contact a:hover{color:var(--green)}.footer-social{color:#d9e4f3;font-size:13px}.footer-contact{display:grid;gap:5px;font-size:13px}.footer-contact span{color:#8192aa}.footer-contact a{color:#fff}.footer-bottom{border-top:1px solid #20304a;margin-top:38px;padding-top:17px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#7e8ea6}
    @media(max-width:1180px){.main-nav{display:none}.hamburger{display:block}.header-btns{margin-left:auto}.footer-main{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:700px){.container{width:min(100% - 28px,1180px)}.topbar-inner{height:auto;min-height:40px;gap:8px;padding:7px 0;align-items:flex-start}.topbar-welcome{font-size:11px}.topbar-contact{gap:8px;flex-direction:column;align-items:flex-end;font-size:11px}.header,.header-inner{height:68px}.logo span{font-size:16px}.member-entry{display:none}.account-btn{font-size:12px;padding:8px 10px}.tag-page{padding:38px 0 60px}.tag-content{padding:18px 16px;border-radius:13px}.tag-content-head{align-items:flex-start;gap:10px}.tag-content-head h2{font-size:17px}.tag-article{display:block;padding:19px 0}.tag-article img{width:100%;height:180px;margin-bottom:15px}.tag-article h3{font-size:17px}.footer{padding-top:35px}.footer-main{grid-template-columns:1fr 1fr;gap:28px 18px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}}